package com.qxl.forest.core.aop;

import com.qxl.forest.core.annotion.BussinessLog;
import com.qxl.forest.business.persistence.entity.ShiroUser;
import com.qxl.forest.core.log.LogManager;
import com.qxl.forest.core.log.factory.LogTaskFactory;
import com.qxl.forest.core.shiro.ShiroKit;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;

/**
 * @Author: qiuxinlin
 * @Dercription: 日志记录aop 只拦截业务日志 bussinessLog
 * @Date: 2017/12/19
 */
@Aspect
@Component
public class LogAop {

    private Logger log = LoggerFactory.getLogger(this.getClass());

    @Pointcut(value = "@annotation(com.qxl.forest.core.annotion.BussinessLog)")
    public void cutService() {
    }

    @Around("cutService()")
    public Object recordSysLog(ProceedingJoinPoint point) throws Throwable {

        //先执行业务
        Object result = point.proceed();

        try {
            handle(point);
        } catch (Exception e) {
            log.error("日志记录出错!", e);
        }

        return result;
    }

    private void handle(ProceedingJoinPoint point) throws Exception {

        //获取拦截的方法名
        Signature sig = point.getSignature();
        MethodSignature msig = null;
        if (!(sig instanceof MethodSignature)) {
            throw new IllegalArgumentException("该注解只能用于方法");
        }
        msig = (MethodSignature) sig;
        Object target = point.getTarget();
        Method currentMethod = target.getClass().getMethod(msig.getName(), msig.getParameterTypes());
        String methodName = currentMethod.getName();

        //如果当前用户未登录，不做日志
        ShiroUser user = ShiroKit.getUser();
        if (null == user) {
            return;
        }

        //获取拦截方法的参数
        String className = point.getTarget().getClass().getName();
        Object[] params = point.getArgs();

        //获取操作名称
        BussinessLog annotation = currentMethod.getAnnotation(BussinessLog.class);
        String bussinessName = annotation.value();
        String key = annotation.key();


        StringBuilder sb = new StringBuilder();
        sb.append(key + "=");
        for (Object param : params) {
            sb.append(param.toString());
        }
        String msg = sb.toString();

        LogManager.me().executeLog(LogTaskFactory.bussinessLog(user.getId(), bussinessName, className, methodName, msg));
    }
}